Comparison

DevPrep vs HeyKids.ai

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

DevPrep

Features
Read full description

DevPrep β€” Master Coding Interviews & Programming Skills Prepare for software engineering interviews and improve your programming knowledge with interactive coding quizzes, detailed explanations, exam simulations, and powerful progress tracking. Whether you're learning your first programming language or preparing for your next developer interview, DevPrep helps you practice consistently and identify weak areas quickly. Learn Popular Programming Languages - Dart - Python - JavaScript - Swift - More languages coming soon Interactive Coding Quizzes Build knowledge through carefully organized modules covering: - Language fundamentals - Syntax and keywords - Data types - Functions - Object-oriented programming - Collections and data structures - Advanced concepts - and more Exam Mode Test your knowledge under realistic conditions. - Timed exams - No hints during assessment - Performance scoring - Accuracy tracking Detailed Explanations Understand every answer. - Learn why an answer is correct - Review mistakes instantly - Reinforce important concepts - Improve retention Powerful Analytics Track your growth over time. - Learning streaks - Accuracy statistics - Modules completed - Questions answered - Learning insights Stay Motivated Build a daily learning habit with: - Streak tracking - Progress indicators - Performance summaries - Personalized recommendations Perfect For - Software engineering interview preparation - Developers learning Dart, JavaScript, Python, Swift and more - Computer science students - Self-taught programmers - Junior developers - Career changers Start practicing today and become a more confident developer with DevPrep. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HeyKids.ai

Features
Read full description

HeyKids.ai is a safe AI learning companion for children, designed to help kids think, practice, and grow through curiosity-driven conversations. Instead of simply giving answers, HeyKids.ai guides children with age-appropriate questions, hints, and short learning activities. The app encourages kids to observe, guess, explain, and try again β€” helping them build confidence while keeping the learning process active and meaningful. With HeyKids.ai, children can explore topics they are curious about, practice language and thinking skills, and interact with friendly AI characters in a safe learning environment. What kids can do with HeyKids.ai: Explore interesting questions about the world Practice speaking, thinking, and explaining ideas Learn through guided hints instead of instant answers Build curiosity, confidence, and independent thinking Interact with child-friendly AI characters and activities Designed for children ages 6–12 HeyKids.ai uses simple language, warm guidance, and age-appropriate responses. The experience is built around meaningful learning, not passive screen time. Built for parents Parents can follow their child’s learning experience and support their growth with more visibility into what their child is curious about, where they practice, and how they engage. HeyKids.ai is not just an answer app. It is a learning companion that helps children stay curious, think deeply, and express ideas in their own words. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DevPrep4 screens
HeyKids.ai4 screens

Verdict

The call

The clearest difference is iOS requirement: DevPrep at 13.0 against HeyKids.ai's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. DevPrep sells 4 one-off in-app purchases and HeyKids.ai sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Β· 5 level
DevPrep versus HeyKids.ai: the parameters behind the verdict, then further details
ParameterDevPrepHeyKids.ai
PriceFreeFree
Update frequencyβ€”Every 5 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size25 MB80 MB
Age rating4+4+
DeveloperShohruxbek AtavullayevHEYLABS, INC

In-app purchases

4 purchases

DevPrep

One-time4
  • Unlock Dart$12.99
  • Unlock JavaScript$12.99
  • Unlock Python$12.99
Show 1 more
  • Unlock Swift$12.99
1 purchases

HeyKids.ai

Subscriptions1
  • One Month Subscription7 Days trial$3.991 Month

Questions

Is DevPrep free?
DevPrep is free to download, with in-app purchases available.
Is HeyKids.ai free?
HeyKids.ai is free to download, with in-app purchases available.
Do DevPrep or HeyKids.ai have ads?
Neither DevPrep nor HeyKids.ai shows ads.

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